76523 has 4 divisors (see below), whose sum is σ = 77880. Its totient is φ = 75168.

The previous prime is 76519. The next prime is 76537. The reversal of 76523 is 32567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32567 = 29 ⋅1123.

It is a cyclic number.

It is not a de Polignac number, because 76523 - 2² = 76519 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (76543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590 + ... + 707.

It is an arithmetic number, because the mean of its divisors is an integer number (19470).

2⁷⁶⁵²³ is an apocalyptic number.

76523 is a deficient number, since it is larger than the sum of its proper divisors (1357).

76523 is a wasteful number, since it uses less digits than its factorization.

76523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356.

The product of its digits is 1260, while the sum is 23.

The square root of 76523 is about 276.6279089318. The cubic root of 76523 is about 42.4551776585.

Subtracting from 76523 its reverse (32567), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 76523 in words is "seventy-six thousand, five hundred twenty-three".